Strand 3: IT Systems

3.4 Internet

Features of a website: for example, hyperlinks, navigation, metatags, tags forms


Hyperlinks
A hyperlink is a reference to a document that the reader can directly follow, or that is followed automatically. The reference points to a whole other document or to a specific element within a document. Hypertext is text with hyperlinks.
external image hyperlinks.gif

Navigation
Navigation is the process of reading, and controlling the movement of a craft or vehicle from one place to another. It is also the term of art used for the specialized knowledge used by navigators to perform navigation tasks.

  • Spatial Navigation. Spatial navigation is the ability to navigate between focusable elements, such as hyperlinks and form controls, within a document or user interface according to the spatial location.
  • Caret navigation. In computing, caret navigation is a kind of keyboard navigation where a caret also known as text cursor, text insertion cursor, or text selection cursor is used to navigate within a text document.

Meta Tags


· The Meta tag provides metadata about the HTML document. Metadata will not be displayed on the page, but will be machine parsable.
· Meta elements are typically used to specify page description, keywords, author of the document, last modified and other metadata.
· The Meta tag always goes inside the head element.
· The metadata can be used by browsers (how to display content or reload page), search engines (keywords), or other web services.
external image meta_tags.jpg

Tag Forms

The form tag is used to create an HTML form for user input. A form can contain input elements like text fields, checkboxes, radio-buttons, submit buttons and more. A form can also contain select menus, text area, fieldset, legend, and label elements.
external image form9.gif